UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 238

• Manufacturer Part Number: UPD78F0034BGC-8BS-A
• Description: MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0034BGC-8BS-A

• Package: 64LQFP
• Family Name: 78K0
• Maximum Speed: 12 MHz
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 51
• Interface Type: 3-Wire/UART
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

/*************************************************************************************/
/*
/*
/*
/*
/*
/*
/*************************************************************************************/
#pragma sfr
#pragma EI
#pragma DI
#pragma interrupt INTTM50 intervalint rb2
void main(void)
{
}
/* INTTM50 interrupt function */
void intervalint()
{
}
9.5 Program List
9.5.1 Interval timer (8-bit)
236
Caution
Interval timer setting example (cycle change by interrupt servicing)
data[0]: Data set flag (value changed when other than 00)
data[1]: Set data
PCC = 0x0;
data[0] = 0;
data[1] = 0;
P7 = 0b11111011;
PM7.2 = 0;
TMMK50 = 0;
TMC50 = 0b00000111;
TCL50 = 0b00000101;
CR50 = 131;
TCE50 = 1;
EI();
while(1);
if(data[0] != 0)
{
}
unsigned char data[2];
The following sample program is shown as an example to describe the operation of semiconductor
products and their applications. Therefore, when applying the following information to your
devices, design the devices after performing evaluation under your own responsibility.
Timer 50 operation sample
CR50 = data[1];
data[0] = 0;
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 50, 51
User’s Manual U14046EJ5V0UD
/* Data area */
/* Set high-speed operation mode */
/* Clear data area */
/* Set port
/* When using TO50 */
/* Set P72 to output */
/* Set interrupt
/* Clear INTTM50 interrupt mask */
/* Set timer 50
/* Clear & start mode, initial value L */
/* Both rising and falling edges */
/* Count clock is fx/2^6 */
/* Set interval to 1 ms as initial value */
/* Timer start */
/* Dummy loop */
/* Set new set value */
/* Clear request flag */
*/
*/
*/
*/
*/
*/
*/
*/
*/